Foot operated track ball



FIG. 1 is a top plan view of the foot operated track ball;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front side plan view thereof;

FIG. 4 is a rear side plan view thereof;

FIG. 5 is a left side plan view thereof;

FIG. 6 is a right side plan view thereof; and,

FIG. 7 is a front perspective view thereof. 

The ornamental design for a foot operated track ball, as shown and described. 